Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272

POW-R-BLOK

TM

Dual SCR/Diode Isolated Module

250 Amperes / Up to 1600 Volts

Revision Date: 12/04/2002

ND47__25

Absolute Maximum Ratings

Characteristics

Conditions

Symbol

Units

Repetitive Peak Forward and Reverse Blocking

Voltage

up to 1600

V

Non-Repetitive Peak Reverse Blocking Voltage

(t < 5 msec)

1600

V

RMS Forward Current

393

A

Average Forward Current

250

A

Peak One Cycle Surge Current, Non-Repetitive

8800

A

Peak Three Cycle Surge Current, Non-Repetitive

4685

A

Peak Ten Cycle Surge Current, Non-Repetitive

4040

A

I

I

320,000

A

Maximum Rate-of-Rise of On-State Current,

(Non-Repetitive)

di/dt

800

A/µs

Peak Gate Power Dissipation

16

W

Average Gate Power Dissipation

3

W

Peak Forward Gate Current

4

A

Peak Forward Gate Voltage

10

V

Peak Reverse Gate Voltage

5

V

Operating Temperature

-40 to +130

°C

Storage Temperature

-40 to +150

°C

Max. Mounting Torque, M6 Mounting Screw

45

5

in.-Lb.

Nm

Max. Mounting Torque, M8 Terminal Screw

110

12

in.-Lb.

Nm

Module Weight, Typical

840

g

1.85

lb

V Isolation @ 25C

2500

V